Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nuoc su cac snippets" » "luoc su cac snippets", "duoc su cac snippets", "nuoc so cac snippets", "nuoc tu cac snippets", "nuoc su cao snippets", "nuoc su can snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nuoc su cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nuoc su cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nuoc su cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nuoc su cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.